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| author | Ingo Molnar <mingo@elte.hu> | 2008-05-29 16:05:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-05-29 16:05:05 +0200 |
| commit | 6715930654e06c4d2e66e718ea159079f71838f4 (patch) | |
| tree | 6a0a19fb62f3e99cb5f6bf6c34ae541f7c30fb42 /arch/sh/kernel/traps.c | |
| parent | ea3f01f8afd3bc5daff915cc4ea5cc5ea9e7d427 (diff) | |
| parent | e490517a039a99d692cb3a5561941b0a5f576172 (diff) | |
| download | blackbird-op-linux-6715930654e06c4d2e66e718ea159079f71838f4.tar.gz blackbird-op-linux-6715930654e06c4d2e66e718ea159079f71838f4.zip | |
Merge commit 'linus/master' into sched-fixes-for-linus
Diffstat (limited to 'arch/sh/kernel/traps.c')
| -rw-r--r-- | arch/sh/kernel/traps.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index a3bdc68ef02c..438f1ebcc453 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -4,6 +4,7 @@ #include <linux/kdebug.h> #include <linux/signal.h> #include <linux/sched.h> +#include <linux/uaccess.h> #include <asm/system.h> #ifdef CONFIG_BUG @@ -21,7 +22,14 @@ static void handle_BUG(struct pt_regs *regs) int is_valid_bugaddr(unsigned long addr) { - return addr >= PAGE_OFFSET; + unsigned short opcode; + + if (addr < PAGE_OFFSET) + return 0; + if (probe_kernel_address((u16 *)addr, opcode)) + return 0; + + return opcode == TRAPA_BUG_OPCODE; } #endif |
